How does the LOG function (DAX) work?
The LOG function (DAX) returns a number’s logarithm to the base you determine.
LOG Formula Syntax
How do you use the LOG function?
The DAX function LOG10 is similar, but the common logarithm, i.e. the base 10 logarithm, always returns.
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Considerations when using the LOG function
If the return value is too large for display, you may receive an error.
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Formula examples using the LOG function
= LOG (5,10) returns 0.698970004336019.
= LOG (5) returns 0.698970004336019.